Dev tools · alternatives · 2026
24 alternatives to Hypereel
A smart way to win Hackathons
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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Agent Arena▲348Creator here. I built Agent Arena to answer a question that kept bugging me: when AI agents browse the web autonomously, how easily can they be manipulated by hidden instructions? How it works: 1. Send your AI agent to ref.jock.pl/modern-web (looks like a harmless web dev cheat sheet) 2. Ask it to summarize the page 3. Paste its response into the scorecard at wiz.jock.pl/experiments/agent-arena/ The page is loaded with 10 hidden prompt injection attacks -- HTML comments, white-on-white text, zero-width Unicode, data attributes, etc. Most agents fall for at least a few.…
Jun 2026 · arena42.ai · its alternatives →
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Playground▲198We build AI agents to find vulnerabilities in other AI agents. The playground started as an internal tool that we used to test our own offensive agent Nyx. But we realised that hacking an AI is about have as wide a distribution of attacks as possible, especially those which aren't in the distribution of the models. So we are launching playground as a platform to crowdsource agent jailbreaks. And although hacking AI is super fun and we are sure people will do it for free, we want to reward those who help us push forward the offensive frontier of AI. So we are committing $100K in prizes over…
Jul 2026 · playground.fabraix.com · its alternatives →
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I love getting cool swag from hackathons and I also love designing PCB's, so when my friend asked me if I would design hackathon badges for a large game jam in singapore, I was absolutely down! The theme of overglade was a "The game jam within a game", pretty cool concept right! High schoolers from around the world were flown out to the event by hackclub after they spent about 70 hours designing their own game. These badges needed to be really cheap and simple, because we were going to manufacture about a hundred in a pretty limited amount of time. I went with a zero-power approach, which…
Apr 2026 · github.com · its alternatives →
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Join 1600 builders, get weekly insights
2023 · hackerpulse.substack.com · its alternatives →
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If you laugh you lose with this AI-powered face game 🤡
2017 · apps.apple.com · its alternatives →
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Create team and invite members based on skills in Hackathons
2019 · its alternatives →
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VoteVid▲106Hey, I am Victor, a french student. I was tired of getting really bad recommandations from the algorithm, always the same videos, same topics. So I created a community-driven recommandation tool, with upvotes like Product Hunt or Hacker News. Looking for something to watch or want to share something you liked? Feel free to check the site, it's free, no account needed (unless you want to share or upvote a video).
Nov 2025 · votevid.com · its alternatives →
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Hey HN, I hacked together this fun project that lets you play any article on the front page of Hacker News as an interactive text game. You can create a game about anything by going to infinityarcade.com/ You can also use a URL, which is what this page uses. The whole thing is open source: https://github.com/themaximal1st/InfinityArcade
2023 · infinityarcade.com · its alternatives →
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Hey there! Just released a project I've been working on for a bit which uses Remotion and other awesome tech. It let's you create code animations by simply entering a series of code snippets and exporting them to popular video formats. Let me know if anyone has feedback!
2023 · hackreels.com · its alternatives →
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hackerDen▲77Collaborative hackathon workspace with visible contributions
May 2026 · hackerden.netlify.app · its alternatives →
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Learn how to make a chatbot with ChatGPT, train AI chatbots and add them to your website. RunDexter – AI Nerds sharing knowledge & building bots.
2016 · rundexter.com · its alternatives →
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2012 · sieve.hacks.priceflurry.com · its alternatives →
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Create team and invite members based on skills in Hackathons
2019 · its alternatives →
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One prompt, one AI model, one shot. Write a single prompt, run it once with any model, and the result is your entry. Six winners take a GTA VI copy (first place a PS5 too), one of them chosen by community vote. Winners announced at the World Models & GenAI Mixer @ SIGGRAPH in LA on July 20.
Jul 2026 · 1shotchallenge.ai · its alternatives →
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Generate hackathon-winning ideas, architecture, and pitch
Feb 2026 · hackathoncopilot.lovable.app · its alternatives →
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Hi Hacker News! My friend and I [1] would like to share with you something we did this week-end. We really like the idea of game jams like the Ludum Dare, and we’d like to participate, but it’s often complicated for us, as we are often limited by the rules inherent to this kind of competition: we have to be available at specific dates, and the rules doesn’t always work for us. For example: if you want to participate as a team in a Ludum Dare compo, you have 72h instead of 48h, and you are not required to publish your code. We realized that what we really like is: - To work together. - The…
2014 · its alternatives →
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HackathonHost is an all-in-one platform to run hackathons and game jams from start to finish. It includes registration, team building, live control, project submissions, judging and scoring, certificates, and post-event analytics in one dashboard. Use it online, in person, or hyb
Jul 2026 · hackathonhost.com · its alternatives →
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Hi HN, I built this open-source LLM red teaming tool based on my experience scaling LLMs at a big co to millions of users... and seeing all the bad things people did. How it works: - Uses an unaligned model to create toxic inputs - Runs these inputs through your app using different techniques: raw, prompt injection, and a chain-of-thought jailbreak that tries to re-frame the request to trick the LLM. - Probes a bunch of other failure cases (e.g. will your customer support bot recommend a competitor? Does it think it can process a refund when it can't? Will it leak your user's address?) -…
2024 · promptfoo.dev · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →